The Observatoire de Paris - PSL is a major public establishment responsible for fundamental and applied research, higher education and the sharing of knowledge in disciplines related to the sciences of the universe and astronomy.
The Observatoire de Paris - PSL is located on three sites: Paris, Meudon and Nançay.
Founded in 1667 at the instigation of Louis XIV to promote the influence of astronomy, the Paris Observatory has been the cradle of major advances that have marked the history of science.
Today, it's the largest national center for astronomical research, and the oldest observatory in the world still in operation.
Research at Observatoire de Paris - PSL covers all fields of contemporary astronomy and astrophysics: the study of the Sun, planets and planetary systems, star formation, the interstellar medium, galaxy formation and evolution, astroparticles and cosmology, space and time metrology, and the history and philosophy of science.
The Observatory in Meudon
Founded in 1876 at the initiative of Jules Janssen on the ruins of the Château Neuf de Meudon, this observatory was entirely dedicated to astrophysics, a completely new discipline at the time. It gradually acquired impressive and innovative instruments.
Joining forces with the Paris Observatory in 1926, it retained its specific scientific focus on astrophysics and instrumentation development.
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